Lawo AG z4 User manual
Copyright
All rights reserved. Permission to reprint or electronically reproduce any document or graphic in
whole or in part for any reason is expressly prohibited, unless prior written consent is obtained
from the Lawo AG.
All trademarks and registered trademarks belong to their respective owners. It cannot be
guaranteed that all product names, products, trademarks, requisitions, regulations, guidelines,
specifications and norms are free from trade mark rights of third parties.
All entries in this document have been thoroughly checked; however no guarantee for correctness
can be given. Lawo AG cannot be held responsible for any misleading or incorrect information
provided throughout this manual.
Lawo AG reserves the right to change specifications at any time without notice.
© Lawo AG, 2002, 2003
Contents
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Contents
CONTENTS 3
PREFACE 5
Manual Structure 5
Typographical Markers 6
Conventions of the Notes 7
WARNING NOTES 8
INTRODUCTION: THE Z4 MIXING CONSOLE 11
Features of the z4 mixing console 11
Components of the z4 mixing console 12
z4 base unit 12
z4 control unit 12
System block diagramme 12
CONTROL ELEMENTS – WHAT IS WHERE? 13
Control unit 13
OPERATING CONCEPT 17
Basic operating concept 17
Sequence of the operational steps 17
Colours of the buttons 18
Working with sources 20
Assigning sources to a channel strip 20
Setting the 2-channel mode 22
Working with summing buses 24
Summing bus assignment 24
Pre- / Post Fader Mix 26
DIRECT OUT: 27
Working with monitor functions 28
Monitor assignment
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Assigning user buttons for monitoring 30
Audio control 32
Performing audio control settings 32
Parameter table - scheme 33
Parameter table 34
Working with operator management 35
Operator: log-in with PIN number 35
Operator: log-out 37
Loading of presets 38
Storing of presets 39
Loading of snapshots 40
Fast-loading of snapshots 41
Storing of snapshots 41
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Reset to default settings 43
Working with talkback 44
How to use the talkback button 44
Working with telephone hybrids 45
How to take a phone-call 45
Finishing a phone-call 46
MAINTENANCE AND SERVICE 47
Maintenance by the user 47
Reading out the software information 47
Defective modules 48
Cleaning the operating surface 48
Maintenance by the Lawo AG 48
GLOSSARY 50
Warning Notes
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Preface
This manual is subdivided into individual, self-contained chapters
that can be studied independently from each other.
Basically, every chapter is structured in a general introduction
which is followed by topics that include description or instruction
sequences.
Parallel descriptions or interrelations between the described
elements or functions are cross-referenced.
Manual Structure
The manual structure is explained by the following brief
descriptions of the individual chapters’ contents.
Chapter 1 Warning Notices
Includes general warnings about the handling of low-voltage
devices and first aid in case of electric shock.
Chapter 2 Introduction about the z4
Offers a brief overview over the features and the components as
well as a block diagram that illustrates the system structure.
Chapter 3 Remote Control Unit - What is where?
Explains buttons and rotary controls of the remote control unit
Chapter 4 Operating Concept
Describes the operating elements and gives instructions for
operation.
Chapter 5 Maintenance and Service
Shows how to obtain system information and how maintenance
and cleaning is carried out.
Chapter 6 Accessories
Lists accessories.
Chapter 7 Glossary
Lists the used technical terms.
Warning Notes
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Typographical Markers
For easy handling and orientation with this manual at hand you
will find here some explanations about the most important
typographical markers.
Chapter
The headlines are marked by bold and large font. The headlines
structure the topics to guarantee fast orientation.
1. Instruction
The instructions are listed with numbers. These numbers serve
for showing you the reasonable sequence of actions. This way
you have always an overview over the complete instruction
sequence.
Result
The results are written in italic letters. They inform about
intermediate as well as final results to give you the chance to
identify errors at an early stage.
Marginal Note
The marginal note serves as eye-catcher. Next to the marginal
note you will find useful tips, notes or warnings. About warnings
you will learn more in the paragraph conventions.
Marginal Note
Warning Notes
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Conventions of the Notes
This symbol is followed by useful tips!
This symbol signifies that something is pointed out to you. Notes
include useful suggestions or cross-references to records not
included in this document.
This symbol appears when something must be observed strongly.
Not observing the warnings can cause heavy damages of the
device and perilous bodily injuries. Please absolutely observe
notes with this symbol.
Tip
Note
Caution
Warning Notes
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Warning Notes
Attention:
Read all notes with this “attention” symbol before
installing the device. Observe all these notes during
installation. Please observe also all other operation and
application notes.
Attention:
Check the device and the accessories with regard to
transport damages.
A device damaged mechanically or by the intrusion of
liquids must not be connected to the mains supply or
must be disconnected from it immediately by pulling the
power plug.
Attention:
The device must be grounded.
If the device is not operated with a mains power supply
unit please use only such line cords with three-leads as
provided with the delivered product.
Attention:
By removing parts of the casing, shields, etc., live parts
are laid open. Therefore you must strictly observe the
following safety instructions:
•Manipulations inside the device must be carried out
by qualified service personell only under observance
of the applicable regulations.
•Inside the device are no user-servicable parts.
Attention:
Before removing parts of the casing the device must be
switched off and disconnected from the mains supply in
any case.
•Before opening the device the power supply
capacitor must be discharged with a suitable
resistor.
•Components that carry heavy electrical loads like
power transistors and resistors should not be
touched until cooled off to avoid burns.
Warning Notes
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Attention:
Servicing unprotected and operating devices can be
carried out only by instructed qualified personnel at their
own risk. The following instructions must be observed:
•Never touch bare wires or circuitry
•Use insulated tools only
•Do not touch metal semi-conductor casings as they
can bear high voltages.
Attention:
First Aid (in case of electric shock):
•Separate the person as quickly as possible from the
electric power source:
oSwitch off the equipment
oUnplug or disconnect the mains cable
oPush the person away from the power source by using
dry insulating material (such as wood or plastic)
Attention:
If the person is unconscious:
•Check the pulse
Reanimate the person if respiration is poor.
•Lay the body down and turn it to one side (recovery
position), call for a doctor immediately.
After having sustained an electric shock, always consult a
doctor.
Attention:
Do not touch the person or his/her clothing before power is
turned off, otherwise you stand the risk of sustaining an electric
shock as well!
Table of contents
